open development
| environment
| open development | |
| tech. | 公开发展 |
| environment | |
| bridg.constr. | 周围情况 |
| dril. | 周围环境 |
| earth.sc. | 外界 |
| eng.geol. | 包围; 环绕 |
| environ. | 环境 |
| hydroel.st. | 环境 |
| space | 设备; 设施 |
| sport. | 周围 |
| |||
| 公开发展 | |||
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open development : 11 phrases in 6 subjects |
| Aviation | 2 |
| Electronics | 2 |
| Information technology | 1 |
| Name of organization | 1 |
| Technology | 4 |
| United Nations | 1 |